100w hps big enough?

I have a grow room that is 24" x 24" x 48" I want to grow a couple of plants until about 10 - 12" then flower under a 100 watt hps. I have a 110 cfm computer fan for ventilation. Is a 100w hps going to do the job? I am vegging under 3 2ft 7800k fluros. I was thinking of doing a scrog grow

you can do 1 plant with a 100w. its usually 100-150w per plant. get a 400w dimmiable ballast it will be the best bang for buck you can use it veg( dim 75% or 50%) and flower in that size room.

100w is barley enough for 1 plant.

no u need a 1000 for that room size

UGGEB420 said:

no u need a 1000 for that room size

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Are you fucking serious? A 1k watt in a 2x2x4? You'd be lucky to keep a 400w cool in a space that small.